{"id":202110,"date":"2025-05-10T11:12:14","date_gmt":"2025-05-10T03:12:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202110\/"},"modified":"2025-05-10T11:12:14","modified_gmt":"2025-05-10T03:12:14","slug":"%e4%bd%bf%e7%94%a8java%e5%92%8credis%e6%9e%84%e5%bb%ba%e5%ae%9e%e6%97%b6%e6%8e%92%e8%a1%8c%e6%a6%9c%ef%bc%9a%e5%a6%82%e4%bd%95%e5%bf%ab%e9%80%9f%e8%ae%a1%e7%ae%97%e5%88%86%e6%95%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202110\/","title":{"rendered":"\u4f7f\u7528Java\u548cRedis\u6784\u5efa\u5b9e\u65f6\u6392\u884c\u699c\uff1a\u5982\u4f55\u5feb\u901f\u8ba1\u7b97\u5206\u6570"},"content":{"rendered":"

<\/b> <\/p>\n

\u4f7f\u7528Java\u548cRedis\u6784\u5efa\u5b9e\u65f6\u6392\u884c\u699c\uff1a\u5982\u4f55\u5feb\u901f\u8ba1\u7b97\u5206\u6570<\/h1>\n

\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300a\u4f7f\u7528Java\u548cRedis\u6784\u5efa\u5b9e\u65f6\u6392\u884c\u699c\uff1a\u5982\u4f55\u5feb\u901f\u8ba1\u7b97\u5206\u6570\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~<\/p>\n

\u4f7f\u7528Java\u548cRedis\u6784\u5efa\u5b9e\u65f6\u6392\u884c\u699c\uff1a\u5982\u4f55\u5feb\u901f\u8ba1\u7b97\u5206\u6570<\/p>\n

\u5728\u5f88\u591a\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u5b9e\u65f6\u6392\u884c\u699c\u662f\u4e00\u9879\u975e\u5e38\u5e38\u89c1\u7684\u9700\u6c42\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u663e\u793a\u7528\u6237\u5728\u6e38\u620f\u3001\u793e\u4ea4\u5a92\u4f53\u6216\u5176\u4ed6\u4e92\u52a8\u5e73\u53f0\u4e2d\u7684\u6392\u540d\u548c\u6210\u5c31\u3002\u5728\u6784\u5efa\u5b9e\u65f6\u6392\u884c\u699c\u65f6\uff0c\u4e00\u4e2a\u91cd\u8981\u7684\u6311\u6218\u662f\u5982\u4f55\u5feb\u901f\u5730\u8ba1\u7b97\u7528\u6237\u7684\u5206\u6570\uff0c\u4ee5\u4fbf\u80fd\u591f\u5b9e\u65f6\u66f4\u65b0\u6392\u884c\u699c\u3002<\/p>\n

\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Java\u548cRedis\u6765\u6784\u5efa\u4e00\u4e2a\u9ad8\u6548\u7684\u5b9e\u65f6\u6392\u884c\u699c\u7cfb\u7edf\uff0c\u5e76\u5c55\u793a\u5982\u4f55\u5feb\u901f\u8ba1\u7b97\u7528\u6237\u7684\u5206\u6570\u3002<\/p>\n

    \n
  1. \u73af\u5883\u51c6\u5907
    \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u51c6\u5907\u51e0\u4e2a\u5de5\u5177\u548c\u5e93\uff1a<\/li>\n
  2. Java\u5f00\u53d1\u73af\u5883<\/li>\n
  3. Redis\u6570\u636e\u5e93<\/li>\n
  4. jedis\u5e93\uff08\u7528\u4e8e\u8fde\u63a5\u548c\u64cd\u4f5cRedis\uff09<\/li>\n
  5. \u5b9e\u73b0\u65b9\u6cd5
    \u5728\u6784\u5efa\u5b9e\u65f6\u6392\u884c\u699c\u7cfb\u7edf\u65f6\uff0c\u6211\u4eec\u9700\u8981\u8003\u8651\u4e24\u4e2a\u5173\u952e\u65b9\u9762\uff1a\u7528\u6237\u7684\u5f97\u5206\u8bb0\u5f55\u548c\u5b9e\u65f6\u8ba1\u7b97\u5206\u6570\u3002<\/li>\n<\/ol>\n

    2.1 \u7528\u6237\u5f97\u5206\u8bb0\u5f55
    \u4e3a\u4e86\u8bb0\u5f55\u7528\u6237\u7684\u5f97\u5206\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u6709\u5e8f\u96c6\u5408\u6570\u636e\u7ed3\u6784\u3002\u6709\u5e8f\u96c6\u5408\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u6709\u4e00\u4e2a\u5206\u6570\uff0c\u5e76\u4e14\u6309\u7167\u5206\u6570\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n

    \u6211\u4eec\u53ef\u4ee5\u4e3a\u6bcf\u4e2a\u7528\u6237\u521b\u5efa\u4e00\u4e2a\u6709\u5e8f\u96c6\u5408\uff0c\u5c06\u7528\u6237ID\u4f5c\u4e3a\u6210\u5458\uff0c\u5c06\u5f97\u5206\u4f5c\u4e3a\u5206\u6570\u3002\u6bcf\u5f53\u7528\u6237\u7684\u5f97\u5206\u66f4\u65b0\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u5c06\u65b0\u5f97\u5206\u5199\u5165\u6709\u5e8f\u96c6\u5408\u4e2d\u3002<\/p>\n

    2.2 \u5b9e\u65f6\u8ba1\u7b97\u5206\u6570
    \u4e3a\u4e86\u80fd\u591f\u5feb\u901f\u5730\u8ba1\u7b97\u7528\u6237\u7684\u5206\u6570\uff0c\u6211\u4eec\u9700\u8981\u8bbe\u8ba1\u4e00\u4e2a\u9002\u7528\u7684\u8ba1\u7b97\u516c\u5f0f\u3002\u4e00\u79cd\u5e38\u89c1\u7684\u516c\u5f0f\u662f\u5c06\u7528\u6237\u7684\u5f97\u5206\u4e0e\u5176\u4ed6\u4e00\u4e9b\u56e0\u7d20\uff08\u5982\u6743\u91cd\u3001\u6d3b\u8dc3\u5ea6\u7b49\uff09\u8fdb\u884c\u7ec4\u5408\u3002<\/p>\n

    \u4e0b\u9762\u662f\u4e00\u4e2a\u8ba1\u7b97\u5206\u6570\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

    public double calculateScore(double score, double weight, double activity) {\n    \/\/ \u5206\u6570\u8ba1\u7b97\u516c\u5f0f\uff1a\u5f97\u5206 * \u6743\u91cd + \u6d3b\u8dc3\u5ea6\n    return score * weight + activity;\n}<\/pre>\n
    \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u5c06\u5f97\u5206\u4e0e\u6743\u91cd\u76f8\u4e58\uff0c\u5e76\u52a0\u4e0a\u6d3b\u8dc3\u5ea6\u6765\u8ba1\u7b97\u6700\u7ec8\u5206\u6570\u3002<\/p>\n
      \n
    1. Java\u4ee3\u7801\u793a\u4f8b
      \u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Java\u548cRedis\u6784\u5efa\u5b9e\u65f6\u6392\u884c\u699c\u7cfb\u7edf\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n
      import redis.clients.jedis.Jedis;\nimport redis.clients.jedis.Tuple;\n\nimport java.util.Set;\n\npublic class RealtimeLeaderboard {\n    \/\/ Redis\u670d\u52a1\u5668\u5730\u5740\n    private static final String REDIS_HOST = \"localhost\";\n    \/\/ Redis\u7aef\u53e3\u53f7\n    private static final int REDIS_PORT = 6379;\n    \/\/ Redis\u5bc6\u7801\n    private static final String REDIS_PASSWORD = \"your_password\";\n    \/\/ Redis\u6570\u636e\u5e93\u7d22\u5f15\n    private static final int REDIS_DATABASE = 0;\n\n    private final Jedis jedis;\n\n    public RealtimeLeaderboard() {\n        jedis = new Jedis(REDIS_HOST, REDIS_PORT);\n        jedis.auth(REDIS_PASSWORD);\n        jedis.select(REDIS_DATABASE);\n    }\n\n    public void updateScore(String userId, double score, double weight, double activity) {\n        \/\/ \u66f4\u65b0\u7528\u6237\u5f97\u5206\n        jedis.zadd(\"leaderboard\", calculateScore(score, weight, activity), userId);\n    }\n\n    public void getLeaderboard() {\n        \/\/ \u83b7\u53d6\u6392\u884c\u699c\n        Set<Tuple> leaderboard = jedis.zrevrangeWithScores(\"leaderboard\", 0, 10);\n        \/\/ \u8f93\u51fa\u6392\u884c\u699c\u4fe1\u606f\n        for (Tuple tuple : leaderboard) {\n            System.out.println(\"User: \" + tuple.getElement() + \", Score: \" + tuple.getScore());\n        }\n    }\n\n    public static void main(String[] args) {\n        RealtimeLeaderboard leaderboard = new RealtimeLeaderboard();\n        \/\/ \u66f4\u65b0\u7528\u6237\u5f97\u5206\n        leaderboard.updateScore(\"user1\", 100, 0.5, 10);\n        leaderboard.updateScore(\"user2\", 150, 0.7, 5);\n        leaderboard.updateScore(\"user3\", 200, 0.8, 8);\n        \/\/ \u83b7\u53d6\u6392\u884c\u699c\n        leaderboard.getLeaderboard();\n    }\n}<\/pre>\n
      \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2aRealtimeLeaderboard\u7c7b\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u8fde\u63a5Redis\u548c\u66f4\u65b0\u5f97\u5206\u7684\u65b9\u6cd5\u3002\u5728main\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5b9e\u4f8b\u5e76\u5411\u7cfb\u7edf\u4e2d\u6dfb\u52a0\u4e86\u4e09\u4e2a\u7528\u6237\u7684\u5f97\u5206\uff0c\u7136\u540e\u901a\u8fc7\u8c03\u7528getLeaderboard\u65b9\u6cd5\u83b7\u53d6\u6392\u884c\u699c\u4e2d\u7684\u524d10\u540d\u7528\u6237\u3002<\/p>\n
      \u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5982\u4f55\u4f7f\u7528Java\u548cRedis\u6765\u6784\u5efa\u4e00\u4e2a\u5feb\u901f\u8ba1\u7b97\u5206\u6570\u7684\u5b9e\u65f6\u6392\u884c\u699c\u7cfb\u7edf\u3002\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u5b9e\u9645\u9700\u6c42\uff0c\u7075\u6d3b\u5730\u8c03\u6574\u5206\u6570\u8ba1\u7b97\u516c\u5f0f\u548c\u6392\u5e8f\u89c4\u5219\uff0c\u4ee5\u5b9e\u73b0\u66f4\u7cbe\u786e\u7684\u6392\u540d\u7ed3\u679c\u3002<\/p>\n
      \u603b\u7ed3
      \u4f7f\u7528Java\u548cRedis\u6784\u5efa\u5b9e\u65f6\u6392\u884c\u699c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5b9e\u65f6\u8ddf\u8e2a\u7528\u6237\u7684\u6210\u7ee9\u548c\u6392\u540d\u3002\u901a\u8fc7\u5408\u7406\u8bbe\u8ba1\u548c\u9ad8\u6548\u8ba1\u7b97\u7528\u6237\u7684\u5206\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u6784\u5efa\u4e00\u4e2a\u5e76\u53d1\u6027\u80fd\u826f\u597d\u7684\u5b9e\u65f6\u6392\u884c\u699c\u7cfb\u7edf\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6784\u5efa\u5b9e\u65f6\u6392\u884c\u699c\u7cfb\u7edf\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n
      \n
      \n <\/dt>\n
      \n   \u5982\u4f55\u901a\u8fc7Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u7f13\u5b58\u4e00\u81f4\u6027\u529f\u80fd\n <\/dd>\n<\/dl>\n
      \n
      \n <\/dt>\n
      \n   \u5982\u4f55\u52a0\u901f\u4f60\u7684\u82f9\u679c\u624b\u673a\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
      \u4f7f\u7528Java\u548cRedis\u6784\u5efa\u5b9e\u65f6...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-202110","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202110","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202110"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202110\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202110"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}